Publisher
- Howard University35
- Howard University (Interior Department)3
- Human Nutrition and Home Economics Bureau229
- Hydrographic Division2
- Hydrographic Office14,698
- Hydrographic Office (Army)41
- Hydrographic Office (Equipment Bureau, Navy Department)229
- Hydrographic Office (Navy)1,314
- Hydrography Division70
- Hydrography, Division of8
- Hygienic Laboratory273
- Hygienic Laboratory (Public Health and Marine-Hospital Service, Treasury Department)9
- Immigration Bureau244
- Immigration Bureau (Commerce and Labor Department)11
- Immigration Commission72
- Immigration Committee95
- Immigration Committee (Senate)6
- Immigration Committee, Senate401
- Immigration and Naturalization Bureau175
- Immigration and Naturalization Bureau (Commerce and Labor Department)20